If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

This year saw the release of several extremely competent full frame hybrid cameras such as the Panasonic S1II, Canon EOS R6 III and Sony a7 V, show above. Photo: Mitchell Clark As we come to the end ...

This device from SwitchBot measures temperature, humidity, carbon dioxide levels and more to keep my home safe during the ...